Vulnerability · Published Aug 8, 2025 · Assigned by icscert
CVE-2025-53520EG4 Electronics EG4 Inverters Download of Code Without Integrity Check
High 8.8
In plain English
A high-severity security flaw in EG4 12000XP from EG4 Electronics. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities).
Official description
The affected product allows firmware updates to be downloaded from EG4's website, transferred via USB dongles, or installed through EG4's Monitoring Center (remote, cloud-connected interface) or via a serial connection, and can install these files without integrity checks. The TTComp archive format used for the firmware is unencrypted and can be unpacked and altered without detection.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| EG4 Electronics | EG4 12kPV | all versions |
| EG4 Electronics | EG4 18kPV | all versions |
| EG4 Electronics | EG4 Flex 21 | all versions |
| EG4 Electronics | EG4 Flex 18 | all versions |
| EG4 Electronics | EG4 6000XP | all versions |
| EG4 Electronics | EG4 12000XP | all versions |
| EG4 Electronics | EG4 GridBoss | all versions |
Weakness: CWE-494 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H